Gate control theory suggests that the spinal cord contains a neurological 'gate' that either blocks pain signals or allows them to continue on to the brain. Unlike an actual gate, which opens and ...

Sensing pain is extremely unpleasant and sometimes hard to bear - and pain can even become chronic. The perception of pain varies a lot depending on the context in which it is experienced. 50 years ...

The spinal cord transmits pain signals to the brain, where they are consciously perceived. But not all the impulses arrive at their destination: Certain neurons act as checkpoints and determine ...